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https://issues.apache.org/struts/browse/STR-3094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_42611
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paul4christ79 edited comment on STR-3094 at 11/8/07 11:46 PM:
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I cannot reproduce the problem in the original or second posting with a
snapshot of 1.4. I simply get a blank page and no log message as I stated above.
When I do not include a path for a forward tag, I get:
javax.servlet.UnavailableException: Missing path value for input action forward
o.a.s.ActionServlet.handleValueRequiredException(ActionServlet.java:828)
o.a.s.ActionServlet.initModuleActions(ActionServlet.java:1393)
When I include a path but leave it blank:
java.lang.IllegalArgumentException: Path does not start with a "/" character
at
o.a.catalina.core.ApplicationContext.getRequestDispatcher(ApplicationContext.java:373)
at
o.a.catalina.core.ApplicationContextFacade.getRequestDispatcher(ApplicationContextFacade.java:196)
at
o.a.s.chain.commands.servlet.PerformForward.handleAsForward(PerformForward.java:107)
I do not know what could the forward path be null to make PerformForward fail.
I need to know how to exactly reproduce this.
was (Author: paul4christ79):
I cannot reproduce the problem in the original or second posting with a
snapshot of 1.4. I simply get a blank page and no log message as I stated above.
> provide background info on "The path of an ForwardConfig cannot be null"
> ------------------------------------------------------------------------
>
> Key: STR-3094
> URL: https://issues.apache.org/struts/browse/STR-3094
> Project: Struts 1
> Issue Type: Improvement
> Affects Versions: 1.3.8
> Environment: linux, j2se v1.6
> Reporter: Ralf Hauser
> Fix For: 1.4.0
>
>
> this happens for example if the action in a html:form tag is not existing in
> the struts-config.xml
> A reasons for this could be due to a typo.
> Suggestion: if the ForwardConfig lookup in struts-config.xml results in
> "null", please cite the action string that was used for the lookup .
> The below error message is currently not particularly helpful. Or at least
> mention something like, "please check your struts-config.xml"
> javax.servlet.ServletException: java.lang.IllegalArgumentException: The path
> of an ForwardConfig cannot be null
>
> org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286)
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> root cause
> java.lang.IllegalArgumentException: The path of an ForwardConfig cannot be
> null
>
> org.apache.struts.chain.commands.servlet.PerformForward.perform(PerformForward.java:70)
>
> org.apache.struts.chain.commands.AbstractPerformForward.execute(AbstractPerformForward.java:54)
>
> org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
> org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
>
> org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
> org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
>
> org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
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